Which words in the sentence are the adverb clause? me

step away from the dog at the door so that the dog will stop barking.

a.
so that the dog will stop barking

b.
from the dog at the door

c.
step away from the dog at the door

based on the biblical principle proverbs 16: 32, i agree with the author of the passage "better is it that it takes longer to be angry than the strong " to the extent that i share the philosophy that the nobility of heart demonstrates the strength of a person. those who are very proud, get angry easily and show their anger toward others are really weak, but those who are noble and do not constantly obfuscate or contain their feelings of anger, are strong people

i think the answer is b